Although erase is often used as a synonym for wipe, that term is a little misleading -- it isn't possible to actually erase hard drive data. Deleting a file only removes the file listing, which serves as a shortcut. The data is still on the computer and easily accessible to anyone with the right program and/or know-how.
First developed by Tim Berners-Lee in 1990, HTML is short for HyperText Markup Language. HTML is used to create electronic documents (called pages) that are displayed on the World Wide Web.
There are two primary parts to XHTML: HTML 4. HTML 4 is a markup language used for displaying text and documents across different platforms and machines. It was originally intended for a very specific audience, and has expanded to include hypertext, multimedia, as well as the style of the documents displayed. XML.